Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 4 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/30/2023   07:11:25   (  -0.02, -75.19) (   0.30, -76.51)  151.95                80
 05/01/2023   06:50:23   (  -0.02, -75.19) (  -0.75, -72.07)  356.46                80
 05/02/2023   19:15:31   (   0.01, -75.20) (  -0.52, -77.47)  259.83                80
 05/03/2023   18:54:29   (   0.02, -75.20) (   0.54, -73.03)  248.95                80
 05/05/2023   07:19:28   (  -0.01, -75.22) (   0.68, -78.40)  361.66                80
 05/06/2023   06:58:25   (  -0.02, -75.23) (  -0.33, -73.94)  147.14                80
 05/07/2023   19:23:33   (   0.01, -75.24) (  -0.93, -79.35)  468.90                80
 05/08/2023   19:02:29   (   0.01, -75.24) (   0.08, -74.89)   39.98                80
 05/11/2023   07:09:05   (  -0.01, -75.27) (   0.11, -75.81)   61.27                80
 05/12/2023   06:48:02   (  -0.01, -75.28) (  -0.91, -71.36)  448.05                80
 05/13/2023   19:13:10   (   0.00, -75.30) (  -0.32, -76.76)  166.74                80